Pith Number

pith:2DI7GSXB

pith:2014:2DI7GSXBLAZGPNOA5R65BNOHWY

not attested not anchored not stored refs pending

The Complexity of Counting Edge Colorings and a Dichotomy for Some Higher Domain Holant Problems

Heng Guo, Jin-Yi Cai, Tyson Williams

arxiv:1404.4020 v1 · 2014-04-15 · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DI7GSXBLAZGPNOA5R65BNOHWY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:54:13.143385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0d1f34ae1583267b5c0ec7dd0b5c7b6150aecda8f989154d3af770887be07f5

Aliases

arxiv: 1404.4020 · arxiv_version: 1404.4020v1 · doi: 10.48550/arxiv.1404.4020 · pith_short_12: 2DI7GSXBLAZG · pith_short_16: 2DI7GSXBLAZGPNOA · pith_short_8: 2DI7GSXB

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2DI7GSXBLAZGPNOA5R65BNOHWY \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d0d1f34ae1583267b5c0ec7dd0b5c7b6150aecda8f989154d3af770887be07f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f00377dc95cf3418e2d30769ddc3df1ca04bd7eafddabff5b14e65459dfaf8d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2014-04-15T18:52:42Z",
    "title_canon_sha256": "0ab443da72bc866a0bb8923cee315eb54cd96847a783e97051630cab25adff6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4020",
    "kind": "arxiv",
    "version": 1
  }
}